﻿#pragma once
#include "GarbageCollector.h"

namespace il2cpp
{
namespace gc
{
	template <typename T>
	class Allocator
	{
	public:
		typedef size_t    size_type;
		typedef ptrdiff_t difference_type;
		typedef T*        pointer;
		typedef const T*  const_pointer;
		typedef T&        reference;
		typedef const T&  const_reference;
		typedef T         value_type;
		typedef Allocator<T> allocator_type;
		Allocator() {}
		Allocator(const Allocator&) {}

		pointer allocate(size_type n, const void * = 0) {
			T* t = (T*)GarbageCollector::AllocateFixed (n * sizeof(T), 0);
			return t;
		}
  
		void deallocate(void* p, size_type) {
			if (p) {
				GarbageCollector::FreeFixed (p);
			} 
		}

		pointer address(reference x) const { return &x; }
		const_pointer address(const_reference x) const { return &x; }
		Allocator<T>& operator=(const Allocator&) { return *this; }
		void construct(pointer p, const T& val) { new ((T*) p) T(val); }
		void destroy(pointer p) { p->~T(); }

		size_type max_size() const { return size_t(-1); }

		template <class U>
		struct rebind { typedef Allocator<U> other; };

		template <class U>
		Allocator(const Allocator<U>&) {}

		template <class U>
		Allocator& operator=(const Allocator<U>&) { return *this; }
	};
}
}
